Mitsubishi Pencil Erasable Ballpoint Pen Off Refills, Uni-ball RE, 0.38mm, Black, 10-Piece Set, URR10038.24

Uni-ball R:E Erasable Knock-Style Gel Ink Ballpoint Pen Refill [Features] Quickly knock. Turn upside down to lock. Rub and erase ballpoint pen. Refill. Ball diameter: 0.38mm Ink color: Off black [Size] Shaft diameter 6 x total length 112mm [Weight] 3g [Quantity] 10 pieces